Button for a mobile computing device



FIG. 1 is a front view of a first embodiment of a button for a mobile computing device; and,

FIG. 2 is a front view of a second embodiment of a button for a mobile computing device.

The broken lines showing the non-claimed portions of the set of buttons and the outline of the mobile computing device are for illustrative purposes only and form no part of the claimed design.

The design consists of the shape in a flat plane with no depth or contour. The open ends of the claimed surfaces, shown without a clear boundary in FIGS. 1 and 2, continue up to a non-shown line formed by respectively connecting the ends of the two sets of solid lines at each end of the design. 

The ornamental design for a button for a mobile computing device, as shown and described. 